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Vertebrata Palasiatica ›› 2017, Vol. 55 ›› Issue (3): 276-288.

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Early Middle Jurassic dinosaur footprints from Zizhou County, Shaanxi, China

Li Yong-Xiang, Zhang Yun-Xiang    

  • Online:2017-09-15 Published:2017-09-15

陕西子洲中侏罗世早期恐龙足迹初步研究

李永项,张云翔   

Abstract: Four types of footprints of carnivorous dinosaurs have been found from the Yan’an Formation of early Middle Jurassic in Zizhou County, Shaanxi, China. From the top to bottom interval, the fourtypes of footprints discovered at five layers in a 1.7 m thick stratumare as follows: 1) the large tridactyl footprints in the fifth layer (e, top) belong to Zizhoupus wangi ichnogen. et ichnosp. nov.; 2) the medium tridactyl footprints in the third and fourth layers (c–d) belong to Changpeipus longweimaoensis ichnosp. nov.; 3) small tridactyl ortetradactyl footprints in the second layer (b) belong to Shensipus xiaoliheensis ichnosp. nov. and 4) small tridactyl footprints in the first layer (a, bottom) belong to Shensipus tungchuanensis. 

摘要: 陕西子洲县中侏罗世延安组砂岩中,同一地点共厚约1.7 m的5个层面发现4种食肉类恐龙足迹,自上而下分别为:(1)第五层面大型三趾型足迹,实雷龙足迹科王氏子洲足迹(新遗迹属、新遗迹种) Zizhoupus wangi ichnogen.et ichnosp.nov.; (2)第四和第三层面中型三趾型足迹,实雷龙足迹科龙尾峁张北足迹 (新遗迹种) Changpeipus longweimaoensis inchnosp.nov.; (3) 第二层面小型三趾或四趾型足迹,虚骨龙类小理河陕西足迹(新遗迹种)Shensipus xiaoliheensis inchnosp. nov.; (4)第一层面小型三趾型足迹,虚骨龙类的铜川陕西足迹Shensipus tungchuanensis。